Coryphopterys thrix Bohlke & Robins 1960

photo by J. Van Tassell
Brazil


Additional photos below

Papillae Drawing

IDENTIFICATION - Has second dorsal fin spine extended as filament and dark spot on dorsal part of pectoral fin base (C.L. Smith); Second spine in dorsal fin extends well beyond rest of fin. Large black blotch at base of pectoral fin. Gill membranes and pelvic fins dusky. Blackish bar at base of caudal fin. (Peterson FG)

Head Pores - Cephalic canal system with pores B',C(s),D,E,F,G,H' and K',L'and preopercle pores M',N,O'

Scales - Ctenoid scales with 25-26 scales in lateral series

Fins - D1 - VI, second spine elongate in both sexes; D2 - 9-10; anal - 10; pectoral - 17-19; caudal segmented rays 17; pelvic I,5 with 5th rays slightly shorter than 4th ray, disk complete with frenum present

Head - Teeth in both jaws in about 6 rows with inner and outer rows slightly enlarged

Papillae - A longitudinal papillae pattern

Color - Preserved color: All fins unmarked in females; the male paratype with some melanophores in the dorsal fins and with the distal half of the anal fin dusky. Ventral disc similarly dusky in the male, except for a pale marginal band. Body largly unmarked, the patches of melanophores not obvious but forming about ten spots along the mid-dorsum as in related species. A prominent dark basicaudal bar present, rectangular in shape and restricted to the middle half of caudal-fin base. Axillary side of pectoral base with some dark pigment dorsally. Ventral-fin base and gill membrane dark in the male but unmarked in females. Pectoral-fin base with large dark area on dorsal half, darker in the male. Some melanophores behind corners of mouth in both sexes. No dark spot behind eye on upper edge of operculum. (B&R 60)

Distribution - South Florida and Bahamas; Curacao; Vitoria Brazil;

Habitat - Found on coral heads in clear waters

Notes -


Photo by Annemarie Kramer - Curacao